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A liquid cools from 70^(@)C to 60^(@)C i...

A liquid cools from `70^(@)C` to `60^(@)C` in `5` minutes. Calculate the time taken by the liquid to cool from `60^(@)C` to `50^(@)C` , If the temperature of the surrounding is constant at `30^(@)C` .

A

`5` minutes

B

less than `5` minutes

C

more than `5` minutes

D

less than or more than 5 minutes depending on whether its mass is more than or less than `1 kg`

Text Solution

Verified by Experts

The correct Answer is:
C

We can assing a temperature to the rod after steady state is reached.
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